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All results from a given calculation for COHCl (Formyl chloride)

using model chemistry: MP2/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-36.587125
Energy at 298.15K-36.588152
HF Energy-36.348897
Nuclear repulsion energy30.976824
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/CEP-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3150 3044 36.95      
2 A' 1592 1538 313.35      
3 A' 1325 1280 54.75      
4 A' 655 633 214.70      
5 A' 408 394 22.82      
6 A" 887 857 8.35      

Unscaled Zero Point Vibrational Energy (zpe) 4008.8 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 3873.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/CEP-31G
ABC
2.38626 0.18127 0.16847

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.852 0.000
O2 1.185 1.232 0.000
Cl3 -0.504 -0.968 0.000
H4 -0.906 1.486 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.24441.88841.1057
O21.24442.77372.1060
Cl31.88842.77372.4867
H41.10572.10602.4867

picture of Formyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 Cl3 123.280 O2 C1 H4 127.207
Cl3 C1 H4 109.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability